#VU63043 Out-of-bounds read in libsndfile - CVE-2021-4156

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Main Vulnerability Database Vulnerabilities #VU63043

#VU63043 Out-of-bounds read in libsndfile - CVE-2021-4156

Published: May 11, 2022


Vulnerability identifier: #VU63043
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-4156
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libsndfile
Software vendor:
Erik de Castro Lopo

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the flac_read_loop() function in flac.c. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links